Estimation of water volume transports through the main straits of the East China Sea |
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| Authors: | Zhao Baoren and Fang Guohong |
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| Institution: | Institute of Oceanology, Academia Sinica, Qingdao, 266071, China |
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| Abstract: | The structure of current speed and the variability of volume transports of the Kuroshio in the Tokara-kaikyo and Osumi-kaikyo are discussed on the basis of data of KER in the period from 1977 to 1984.The average geostrophic transport through these two straits is estimated to be 24.5×106 m3/s and only 1/12 of the transport is through the Osumi-kaiky5.Countercurrents on both sides of the Kuroshio trunk are observed in the Tokara-kaikyo.Calculation indicates that the average geostrophic current speed is less than the GEK current speed,systematically.On the basis of the current measurements,the northward transports through the Taiwan Strait in winter and summer are estimated to be 1.05×106and 3.16×106m3/s,respectively.From Chu's data(1976) the average transport of the Kuroshio flowing into the East China Sea passing through the passage east of Taiwan is about 29.3×106m3/s.From Miita and Ogawa's data(1984) the average transport through the Tsushima-kaikyo is 3.6×106m3/s. |
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